In a reservoir in Southeast Brazil, introduction of a fish native to the Amazon has reduced native species diversity phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Renato de Oliveira and Horacio Morales were killed after the seaplane piloted by de Oliveira crashed while attempting to land on a river in Brazil on Sunday.